1. Which protocols are TCP/IP application layer protocols? (Choose two.)
* FTP
* SMTP
2. A user types www.cisco.com into a web browser address textbox. What does www.cisco.com represent?
* the IP address of a web server
3. What type of server would use IMAP?
* e-mail
4. Which protocol is used by FTP to transfer files over the Internet?
* TCP
5. Which type of server would most likely be used first by a network client in a corporate environment?
* DHCP
6. Whenever e-mail clients send letters, what device is used to translate the domain names into their associated IP addresses?
* DNS server
7. Which of the following are layers of the TCP/IP model? (Choose three.)
* Application
* Internet
* Network Access
8. You are creating a network-based video game. What influences your decision about which transport protocol to use for the application?
* UDP will not disrupt the game to retransmit dropped packets.
9. Which port number is used by SMTP?
* 25
10. Which application is most likely used to translate www.cisco.com to 198.133.219.25?
* DNS
11. Refer to the graphic. Which protocol is used to access this website?
* HTTP
12. Which protocol is used by e-mail servers to communicate with each other?
* SMTP
13. An Internet server is running both FTP and HTTP services. How does the server know which of these applications should handle an incoming segment?
* The segment destination port number identifies the application that should handle it.
14. What client software enables logged in users to communicate with other logged in users in real time?
* instant messaging
15. What term is used to describe how TCP/IP protocols are layered and interact to format, address, and transmit information across a network?
* protocol stack
16. What information is contained in an IP header?
* both source and destination IP and MAC addresses
17. What three items are contained in an Ethernet frame? (Choose three.)
* source MAC address
* destination MAC address
* error-checking information
18. Cabling issues are associated with which OSI layer?
* 1
19. A client has decoded a frame and started the de-encapsulation process. In which order does the de-encapsulation process occur?
* 1) remove Ethernet header and trailer
2) remove IP header
3) remove TCP header
4) pass data to the application
20. What is the correct order of the layers of the OSI reference model, starting at the lowest layer and working up the model?
* physical, data link, network, transport, session, presentation, application
* FTP
* SMTP
2. A user types www.cisco.com into a web browser address textbox. What does www.cisco.com represent?
* the IP address of a web server
3. What type of server would use IMAP?
4. Which protocol is used by FTP to transfer files over the Internet?
* TCP
5. Which type of server would most likely be used first by a network client in a corporate environment?
* DHCP
6. Whenever e-mail clients send letters, what device is used to translate the domain names into their associated IP addresses?
* DNS server
7. Which of the following are layers of the TCP/IP model? (Choose three.)
* Application
* Internet
* Network Access
8. You are creating a network-based video game. What influences your decision about which transport protocol to use for the application?
* UDP will not disrupt the game to retransmit dropped packets.
9. Which port number is used by SMTP?
* 25
10. Which application is most likely used to translate www.cisco.com to 198.133.219.25?
* DNS
11. Refer to the graphic. Which protocol is used to access this website?
* HTTP
12. Which protocol is used by e-mail servers to communicate with each other?
* SMTP
13. An Internet server is running both FTP and HTTP services. How does the server know which of these applications should handle an incoming segment?
* The segment destination port number identifies the application that should handle it.
14. What client software enables logged in users to communicate with other logged in users in real time?
* instant messaging
15. What term is used to describe how TCP/IP protocols are layered and interact to format, address, and transmit information across a network?
* protocol stack
16. What information is contained in an IP header?
* both source and destination IP and MAC addresses
17. What three items are contained in an Ethernet frame? (Choose three.)
* source MAC address
* destination MAC address
* error-checking information
18. Cabling issues are associated with which OSI layer?
* 1
19. A client has decoded a frame and started the de-encapsulation process. In which order does the de-encapsulation process occur?
* 1) remove Ethernet header and trailer
2) remove IP header
3) remove TCP header
4) pass data to the application
20. What is the correct order of the layers of the OSI reference model, starting at the lowest layer and working up the model?
* physical, data link, network, transport, session, presentation, application
21. A device receives an Ethernet frame and recognizes the MAC address as its own. What does the device do to the message to get to the encapsulated data?
* removes the Ethernet header and trailer
22. What is an advantage of the use of layers in the OSI reference model?
* It prevents changes in one layer from affecting other layers.
* removes the Ethernet header and trailer
22. What is an advantage of the use of layers in the OSI reference model?
* It prevents changes in one layer from affecting other layers.
0 nhận xét:
Post a Comment